diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 16:11:29 (GMT) |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-05 01:06:39 (GMT) |
| commit | 4453593be6c54e7581467e80f4a2757be098a3a2 (patch) | |
| tree | 4cf240b8ad3abc46bdba652b4e499f4d32955818 /fs/xfs/libxfs/xfs_bmap.h | |
| parent | 17c12bcd3030e4b3247d0c961ce598c731a9dcf9 (diff) | |
| download | linux-4453593be6c54e7581467e80f4a2757be098a3a2.tar.xz | |
xfs: return work remaining at the end of a bunmapi operation
Return the range of file blocks that bunmapi didn't free. This hint
is used by CoW and reflink to figure out what part of an extent
actually got freed so that it can set up the appropriate atomic
remapping of just the freed range.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index b40ef79..85e3b9d 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -197,6 +197,10 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, struct xfs_defer_ops *dfops); +int __xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, + xfs_fileoff_t bno, xfs_filblks_t *rlen, int flags, + xfs_extnum_t nexts, xfs_fsblock_t *firstblock, + struct xfs_defer_ops *dfops); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, |